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STOCKHOLDERS' EQUITY | 9 Months Ended
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Sep. 30, 2021
Stockholders' Equity Note [Abstract] |
STOCKHOLDERS' EQUITY | STOCKHOLDERS’ EQUITY A summary of changes in stockholders’ equity is presented below (in thousands):
|  | Nine Months Ended September 30, 2021
|  | (In thousands)
|  | Number of Shares |  | Common Stock |  | Additional Paid-In Capital |  | Retained Earnings |  | Total
Balance at December 31, 2020 |  | 37,512 |  |  | $ | 375 |  |  | $ | 455,762 |  |  | $ | 1,891,731 |  |  | $ | 2,347,868 |
Net earnings |  | — |  |  | — |  |  | — |  |  | 131,843 |  |  | 131,843 |
Stock-based compensation expense |  | — |  |  | — |  |  | 5,367 |  |  | — |  |  | 5,367 |
Issuance of stock |  | 435 |  |  | 4 |  |  | (4) |  |  | — |  |  | — |
Share repurchases |  | (100) |  |  | (1) |  |  | (8,384) |  |  | — |  |  | (8,385) |
Balance at March 31, 2021 |  | 37,847 |  |  | $ | 378 |  |  | $ | 452,741 |  |  | $ | 2,023,574 |  |  | $ | 2,476,693 |
Net earnings |  | — |  |  | — |  |  | — |  |  | 167,389 |  |  | 167,389 |
Stock-based compensation expense |  | — |  |  | — |  |  | 3,223 |  |  | — |  |  | 3,223 |
Share repurchases |  | (200) |  |  | (2) |  |  | (19,159) |  |  | — |  |  | (19,161) |
Balance at June 30, 2021 |  | 37,647 |  |  | $ | 376 |  |  | $ | 436,805 |  |  | $ | 2,190,963 |  |  | $ | 2,628,144 |
Net earnings |  | — |  |  | — |  |  | — |  |  | 200,752 |  |  | 200,752 |
Stock-based compensation expense |  | — |  |  | — |  |  | 5,845 |  |  | — |  |  | 5,845 |
Issuance of stock |  | 3 |  |  | — |  |  | — |  |  | — |  |  | — |
Share repurchases |  | (95) |  |  | — |  |  | (9,471) |  |  | — |  |  | (9,471) |
Balance at September 30, 2021 |  | $ | 37,555 |  |  | $ | 376 |  |  | $ | 433,179 |  |  | $ | 2,391,715 |  |  | $ | 2,825,270 |
|  | Nine Months Ended September 30, 2020
|  | (In thousands)
|  | Number of Shares |  | Common Stock |  | Additional Paid-In Capital |  | Retained Earnings |  | Total
Balance at December 31, 2019 |  | 38,199 |  |  | $ | 382 |  |  | $ | 505,352 |  |  | $ | 1,468,256 |  |  | $ | 1,973,990 |
Net earnings |  | — |  |  | — |  |  | — |  |  | 71,152 |  |  | 71,152 |
Stock-based compensation expense |  | — |  |  | — |  |  | 6,437 |  |  | — |  |  | 6,437 |
Issuance of stock |  | 398 |  |  | 4 |  |  | (4) |  |  | — |  |  | — |
Share repurchases |  | (1,000) |  |  | (10) |  |  | (60,803) |  |  | — |  |  | (60,813) |
Balance at March 31, 2020 |  | 37,597 |  |  | $ | 376 |  |  | $ | 450,982 |  |  | $ | 1,539,408 |  |  | $ | 1,990,766 |
Net earnings |  | — |  |  | — |  |  | — |  |  | 90,678 |  |  | 90,678 |
Stock-based compensation expense |  | — |  |  | — |  |  | 3,157 |  |  | — |  |  | 3,157 |
Issuance of stock |  | 6 |  |  | 1 |  |  | (1) |  |  | — |  |  | — |
Balance at June 30, 2020 |  | 37,603 |  |  | $ | 377 |  |  | $ | 454,138 |  |  | $ | 1,630,086 |  |  | $ | 2,084,601 |
Net earnings |  | — |  |  | — |  |  | — |  |  | 109,118 |  |  | 109,118 |
Stock-based compensation expense |  | — |  |  | — |  |  | 6,130 |  |  | — |  |  | 6,130 |
Issuance of stock |  | 9 |  |  | — |  |  | — |  |  | — |  |  | — |
Balance at September 30, 2020 |  | 37,612 |  |  | $ | 377 |  |  | $ | 460,268 |  |  | $ | 1,739,204 |  |  | $ | 2,199,849 |

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 16 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496180-112644 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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